Frequently Asked Questions

Latest topics
How can I enjoy the $9.90 Plan promotion at $7.90?

Purchase a $9.90 Plan from maxx.sg. After receiving the SIM, please activate your SIM within 14 days from the date of purchase from maxx.sg. Log in to Maxx App and submit a port in request within 7 days from activation.

$7.90 Plan is valid for customers who port in successfully within 7 days from activation.

You can still enjoy this plan at $9.90 even without Port-In.

Why am I being charged $9.90 on maxx.sg?

You will be charged $9.90 for the 1st cycle. After successful port in, you will be charged $5.90 for the 2nd cycle, $7.90 for 3rd to 12th cycle and $9.90 for the 13th cycle onwards. 

“Cycle” refers to 30 days.

I do not want to port in to Maxx. Can I still enjoy this promotion?

Yes, you can still enjoy this promotion at $9.90.

All topics
Eligibility
Maxx.sg Sign-up
SIM Activation and Port In
Manage My Plan
Roaming & IDD
maxx.sg Rewards / Refer a Friend program
Faulty / Damaged / Lost of SIM card
General

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Eligibility
Maxx.sg Sign-up
SIM Activation and Port In
Manage My Plan
Roaming & IDD
maxx.sg Rewards / Refer a Friend program
Faulty / Damaged / Lost of SIM card
General
Eligibility
Am I eligible to sign-up for Maxx?

You will need to be at least 15 years old to sign up for Maxx. The acceptable ID documents are as follow:

  • Singapore Citizen: Original NRIC (Pink)
  • Permanent Resident: Original NRIC (Blue) 
  • Foreigner / Non-Resident: Employment Pass / S Pass / Work Permit / Dependent Pass / Student Pass 

What do I need to bring if I want to sign up via M1 Authorised Retailers?

Please bring along your original document ID.

What is the maximum number of mobile lines I can subscribe for?

You can subscribe for up to 6 Maxx mobile lines.

Maxx.sg Sign-up
When will I receive the SIM card?

You will receive an SMS after your SIM card has been shipped.

How do I authorize someone to receive my SIM card?

There is no need to authorize anyone to receive your SIM card. Your SIM card will be delivered to your letterbox.

SIM Activation and Port In
How to activate my SIM card?

  1. Download the Maxx app from the App Store or Play Store. Open it and tap “Activate My SIM”.
  2. Scan your SIM card’s barcode and choose a mobile number. For port-in users: Pick a temporary Maxx number to complete activation. Remember to note it down for logging into the Maxx app.
  3. Find your activation code on the front of the envelope labelled MAXX-####-####, or check your delivery status SMS or email receipt. Enter it as ####-####.
  4. Verify your identity using Singpass or by scanning your physical ID. Ensure it matches your registration on maxx.sg.
  5. Pop the SIM into your device. You’ll get an SMS once activation is complete.

For step-by-step guide on how to activate your SIM card, please watch the video here.

How do I port in to Maxx?

Simply purchase a Maxx Plan first. After you have activated your line, go to Maxx App > Select “Account” > “Port-in to Maxx” and provide the following information:
•  Mobile Number to be Ported in
•  Service Provider


Please ensure that the Subscriber ID for Maxx Plan and the ported in number are the same. We do not support M1 Prepaid port in to Maxx Plan. The entire port-in process will take up to 3 working days and you will receive SMS notification on the status.

Manage My Plan
How do I check my usages, balances, view bill and manage my account?

You can check your usages, balances, view bill and manage your account via Maxx app. 

I need more data, talktime and SMS. What should I do?

You can view and purchase the available add-ons via Maxx app > Buy tab. Alternatively, you can also purchase Maxx Retailers Offers at any of the selected M1 Authorised Retailers.

My Maxx Plan / Add-On is expiring soon. How can I extend the expiry?

All Maxx Plan / Add-On expiry cannot be extended.

You can purchase new Plans / Add-ons via Maxx app > Buy tab. Alternatively, you can also purchase Maxx Retailers Offers at any of the selected M1 Authorised Retailers.

How does the validity of the add-ons work?

Add-ons is based on a 24-hour clock cycle with the day of activation being day 1 at 0000 hours and expires on 2359 hours on the expiry date. For example, you have purchased a 30 days add-on on 1 August, 1500 hours. The validity will start from 1 August, 0000 hours and will expire on 30 August, 2359 hours. The expiry date in the Maxx App refers to that add-on will expire on that date at 2359 hours.

I am a current Maxx customer and would like to change/upgrade to Maxx latest plan.

Simply log in to Maxx App, click on “View Plan” of your existing bundle and select “Change Plan”.

“Change Plan” is only available for customers on recurring payment. 

What plans can I change to?

Available plans are shown after you have selected “Change Plan”.

Customers on online exclusive plans are not able to change to retailer offers and vice versa.

How do I block international incoming calls and SMS?

Simply access Maxx app > Account tab > Manage Preference

How do I pay my $5 bill and reactivate my Maxx service?

You may make payment via Maxx App or at any Maxx Retailer. Your plan will be reactivated after successful payment.

Roaming & IDD
How do I make an IDD Call?

To make international call, dial:
<+> <Country Code><Area Code><Call Party's Number>

Am I able to send outgoing SMS when I am roaming?

No, you will not be able to send outgoing SMS while roaming.

What services are available when I am roaming?

You will be able to use roaming data and receive incoming SMS if you are connected to our Preferred Networks.

maxx.sg Rewards / Refer a Friend program
What is Maxx's Rewards / Refer a Friend program?

Refer your friends to sign up with Maxx via maxx.sg and treat yourself to a Grab voucher code when they successfully activate their Maxx SIM card.

The Maxx Rewards / Refer a Friend program is applicable for every sign up via the maxx.sg.

The rewards program is not eligible for sign-ups processed at Maxx authorized retailers.

How do I use the Maxx Referral code?

Simply share your unique referral code found in your Maxx welcome e-mail with friends and have them enter the code in the referral code field on the buy page.

They may proceed to complete their sign up and activate their SIM card once delivery has been fulfilled.

Upon successful activation of your friend’s SIM card, you will receive your Grab voucher code in your inbox within 7 working days.

Please check your spam/junk mail folders if you have not received it.

My friend has signed up for a Maxx plan using my referral code. Why have I not received GrabFood voucher codes yet?

The Grab voucher code will only be credited into your account once your friend has successfully activated their SIM card.

Upon successful activation of your friend’s SIM card, you will receive your Grab voucher code in your inbox within 7 working days.

Please check your spam/junk mail folders if you have not received it.

How do I use the Grab voucher code?

Please refer to Grab’s FAQ here. Please note the validity period and terms of use of the voucher codes are subjected to the prevailing T&Cs of Grab.

Faulty / Damaged / Lost of SIM card
My Maxx SIM card is faulty/damaged/lost. What should I do?

1) Visit M1 Shop Jurong Point and request for a new free blank SIM card. We will request for some verification.
2) Call 1693 [daily, 9am-9pm] to resume your service. Please be prepared to provide the 18-digit number found on the back of the SIM card.

General
Is there any Maxx customer support hotline?

Yes, you may reach us at 1693 from 9am – 9pm daily.

Does Maxx SIM-Only support 5G?

Yes, we will be offering 5G on Maxx soon. Stay-tuned!

Why is there a SMS deduction from my Local SMS balance when I insert my new Maxx SIM card into my phone?

If you have enabled iMessage / Google verification, a verification SMS will automatically be sent to Apple / Google when you insert a new SIM into your phone and this SMS is deducted from your Local SMS balance.

APAC Roaming
Preferred Networks

Countries Network

International Roaming
Preferred Networks

Countries Network